Beer tap



FIG. 1 is a front elevation view of a beer tap showing my design;

FIG. 2 is an elevation view taken from one side thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is an elevation view taken from the opposite side of the view shown in FIG. 2;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a beer tap, as shown and described. 